
Hand- And Machine-Operated Circular Screwing Dies For Parallel Pipe Threads - G Series (Iso 4231:2016)
出版:Norwegian Standards (Norges Standardiseringsforbund)

专家解读视频
Hand- And Machine-Operated Circular Screwing Dies For Parallel Pipe Threads - G Series (Iso 4231:2016)
出版:Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频